Shimano Dura Ace 9170 Flat Mount Calliper w/o Rotor 140/160mm Front

TheShimanoDura Ace 9170 Flat MountCalliperw/o Rotor 140/160mmFronthas increased overall braking performance with integrated sleek low-profilecalliperdesign. ShimanoDura Ace 9170 Flat MountCalliperw/o Rotor 140/160mmFront Features Top of the range, high performance Dura-Ace low profile hydraulic road disc brake for efficient braking in all conditions Front wheel use for flat mount forks with adapter to flip between 140 and 160 mm Oversized 22mm ceramic pistons optimized for heat insulation, lightweight and stiffness Opposed 2-piston design reduces leading effect and optimal pad wear increases braking control Increased pad to rotor clearance reduces the chance of rotor drag Direct flat mount and open design allows easy and quick wheel replacement Forged calliper design is lightweight and rigid One way internal fluid circuit makes bleeding easy Mineral oil brake fluid is non-corrosive and less hazardous than conventional hydraulic brake fluid Shim-less mounting bracket allows for quick installation and setting up Recommended for use with Ice Tech FREEZA Centre-Lock SM-RT900 rotors for optimum braking performance Comes complete with resin compound aluminium radiation fin pad further improves heat dissipation reducing brake surface temperature by 50 deg C Inline hose routing for low profile design